#51DCE4#51DCE4

#51DCE4 is a very light, moderate teal. Relative luminance 0.585; OKLCH L 82.3% C 0.118 H 200.6°. Best body text is #000000 at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#51DCE4
RGB	rgb(81, 220, 228)
HSL	hsl(183, 73%, 61%)
HSV	hsv(183, 64%, 89%)
CMYK	cmyk(64.5%, 3.5%, 0%, 10.6%)
CIE-LAB	lab(81.03, -34.46, -14.97)
CIE-LCH	lch(81.03, 37.57, 203.48°)
OKLab	oklab(82.34% -0.1106 -0.0415)
OKLCH	oklch(82.34% 0.118 200.6)
XYZ	xyz(42.9840, 58.5324, 82.4163)
Luminance	0.5854 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DCE4 #E45951

analogous

#51E4A2 #51DCE4 #5193E4

triadic

#51DCE4 #E451DC #DCE451

tetradic

#51DCE4 #A251E4 #E45951 #93E451

square

#51DCE4 #A251E4 #E45951 #93E451

split-complementary

#51DCE4 #E45193 #E4A251

monochromatic

#199AA2 #21CDD7 #51DCE4 #86E7EC #BBF1F4

Accessibility & contrast

On white

1.65

#51DCE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.71

#51DCE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DCE4

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DCE4	#FFFFFF	#000000	##000000
##51DCE4	1.00	1.65	12.71	12.71
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.71	21.00	1.00	1.00
##000000	12.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCD3E5

Deuteranopia (green-blind)

#B6C2E5

Tritanopia (blue-blind)

#00E4DE

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51dce4;
/* rgb */ color: rgb(81, 220, 228);
/* oklch */ color: oklch(82.3% 0.118 200.6);

Tailwind

colors: {
  custom: {
    50: '#93e7ec',
    500: '#51dce4',
    950: '#000000',
  },
}

SCSS

$custom: #51dce4;
$custom-light: #93e7ec;
$custom-dark: #000000;

JSON

{
  "hex": "#51dce4",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 228
  },
  "hsl": {
    "h": 183.265,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.82342,
    "c": 0.11809,
    "h": 200.6
  },
  "luminance": 0.58537
}

Semantic roles & 50–950 ramp

primary

#51DCE4

secondary

#A43B35

accent

#1B10D5

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #51DCE4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →